31results about How to "Counteract inertial force" patented technology

The invention discloses a gastroscope tube fixing device for gastroenterology, which comprises a tooth pad, the side of the tooth pad is interspersed with a receiving tooth bar, and the opposite sides of the two receiving tooth bars are fixedly connected with a receiving plate, and the two receiving tooth bars A vertical push rod is fixedly connected to the opposite side of the receiving plate, a receiving gear is meshed and connected between the two receiving gear rods, and a hydraulic block is rotatably connected to the end of the compression rod far away from the ratchet, and the side of the hydraulic block A hydraulic cylinder is slidably connected, the side of the compression rod is rotatably connected to a deflection rod, and the side of the deflection rod away from the compression rod is rotatably connected to an air pressure rod, and the bottom of the air pressure tube is fixedly connected to an air bag. The side is fixedly connected with a liquid storage tank. This gastroscope tube fixing device for gastroenterology is used in conjunction with the tooth pad and the extrusion rod, so as to achieve the effect of fixing the gastroscope tube when the patient feels nauseated, and does not need to fix the patient's head from the outside.

The invention discloses a nutation transmission device of a cambered secondary enveloping crown gear, which is characterized in that it comprises a crossed roller bearing, a right end crown gear, a left end crown gear and a nutation crown gear, and the crossed roller bearing comprises The inner ring and the outer ring are rollingly connected, the inner ring is fixedly connected with the left crown gear, the outer ring is fixedly connected with the right crown gear, and the nutating crown gear is arranged on the Between the right-end crown gear and the left-end crown gear, the tooth surface of the left-end crown gear and the left tooth surface of the nutating crown gear form a left-side less-tooth difference nutation conjugate meshing pair, and the tooth surface of the right-end crown gear and the nutating crown gear. The right tooth surface of the nutating crown gear constitutes the right side less tooth difference nutating conjugate meshing pair. The crown gear of the present application has continuous tooth surfaces, and all of them participate in meshing, which can reduce the wear of the tooth surfaces, easily form a lubricating oil film, and improve the transmission efficiency of the device.

The invention provides a double-rotor radial driving meshing motor with low speed and large torque, which adopts magnetic poles with double-rotor structures to prevent occurrence of magnetic circuits coupling among all magnetic poles and reduce difficulty of magnetic field analysis; the opposite movement of an inner rotor and an external rotor not only can multiply electromagnetic force but also can neutralize inertia force and reduce vibration; a plurality of eccentric shafts are used for binging a translational mechanism which is composed of rotors, a rotor fixed bracket and a support so asto cause the radius of revolution running to be completely restricted, thereby preventing sliding displacement among gears and improving transmission efficiency. Furthermore, stators and the rotors of the motor of the invention are fixedly connected with an external gear and an internal gear circle respectively so as to form a reducer gear meshing transmission mode to reduce the speed, thus indeed integrating the motor and a reducer into a whole. In addition, the rotors relative to the stators only realize the translation in a tangential direction of a circumference, without rotation; and theweaknesses of long operating distance, slow response speed, unstable low-speed working condition and small output torque caused by the rotors of the motor with traditional structure relative to the stators rotate only one circle can be prevented.

The invention relates to an anti-overturning cargo loading platform device of a high-speed rail annular vehicle. The anti-overturning cargo loading platform device comprises a cargo loading trolley and a rail; the cargo loading trolley comprises a trolley frame and a rotatable platform which is installed on the upper side of the trolley frame and rotates around the middle of the trolley frame; themiddle of the rotatable platform is connected with a gear assembly located in the middle of the lower end of the trolley frame; a push rod is movably installed on one side of the gear assembly, the inner side end of the push rod is connected with one end of a spring, and a rack part engaged with the gear assembly is arranged on one side of the push rod; the upper side of the rotatable platform isprovided with a cargo loading plate of which one end is hinged to one end of the rotatable platform; one end of a hydraulic cylinder is arranged on the lower side of the cargo loading plate, and theother end of the hydraulic cylinder is connected with one end of a push-pull rod; and the other end of the push-pull rod is provided with a wedge block, and the wedge block makes contact with a jacking wheel on the lower side of the other end of the cargo loading plate. The anti-overturning cargo loading platform device is simple and reliable in structure, the cargo loading platform does translational motion along the ground after the trolley enters the curve, cargo overturning when the trolley runs at the curve is prevented, and cargo overturning in the acceleration and deceleration processesis prevented.

The invention discloses a rail traffic dynamic map platform control device. The device comprises a bottom box and a drive box, the top of the bottom box is provided with the drive box, the top of thedrive box is provided with a worktable, a motor is mounted at one end of the bottom face inside the bottom box, when a cam and a round shaft accidently fall off, a long plate falls downwards, a cushion block below a buffer rod makes contact with the ground, the buffer rod moves towards the interior of a buffer box, a spring exerts elastic force to a check block, inertia force of descending of thelong plate can be offset, breaking of a rail traffic dynamic map displayer can be avoided, and accidental losses can be reduced. When a sliding rod moves to the side away from the motor, the inner wall of the other end of a rectangular groove is in contact with a third transmission shaft, the sliding rod is controlled to rotate towards the direction again, firmness of the sliding rod is improved,the moving position of a rail traffic dynamic map on a mounting plate is controlled, and through control moving of the displayer, a worker can conveniently carry out control observation with monitoring screens.

The invention discloses a feed tension stabilizing device for a central line of a zipper. The feed tension stabilizing device comprises a bracket, at least one transverse H-shaped barrel firmly arranged on the bracket, a line arranging mechanism and a drive mechanism, the line arranging mechanism is arranged above the transverse H-shaped barrel and capable of rotating relative to the transverse H-shaped barrel, a tension regulating mechanism is correspondingly arranged at one side of the line winding position of each transverse H-shaped barrel, the tension regulating mechanism comprises a guide rod, a compression spring arranged on the guide rod in a sleeve mode, and a regulating slide block propped against the downside of the compression spring, the regulating slide block is opened with a longitudinal line hole, and the central line is pulled out through the transverse H-shaped barrel, passes through the line hole from the bottom to top, and is dragged by the line arranging mechanism. The feed tension stabilizing device can guarantee that the regulating slide block power is balanced when dragging the central line, the central line tension is kept in a constant state as far as possible, and accordingly the irregular winding due to inconsistent tension is avoided, the braid product difference is reduced, and the product quality is improved.

The invention discloses an alternative driving switching mechanism with linear reciprocating motion and rotating motion. A power driving wheel is fixedly arranged on a power output shaft; a first gear and a second gear are respectively arranged on two sides of a power driving gear on the power output shaft; a first rack is meshed with the first gear from the upper part of the power output shaft; a second rack is meshed with the second gear from the lower part of the power output shaft; two ends of the first rack and the second rack are respectively and fixedly arranged on a rack bracket; the rack bracket is connected with a power input connecting rod; and the first gear and the second gear can be alternatively connected or separated from the power driving wheel, so that the power driving wheel rotates along the same direction. The alternative driving switching mechanism disclosed by the invention can carry out mutual switch between the linear reciprocating motion and the rotating motion instead of a crankshaft-link mechanism, so that the switching efficiency between the piston action force and an output torque is increased, the lateral friction force and mechanical vibration between a piston and an air cylinder wall are reduced and the phenomenon of blocking the cylinder is avoided; and in addition, the dead center is overcome without using a flywheel, so that energy sources can be effectively saved.

The invention discloses a double-row parallel asynchronous high-speed transplanting method for rape pot seedlings. A transplanting operation is implemented by adopting an asynchronous parallel double-row rape pot seedling transplanting machine. According to the asynchronous parallel double-row rape pot seedling transplanting machine, a left machine frame and a right machine are arranged on the twosides of a power driver; a left planter, a furrow opener which is used for opening a planting groove in a soil surface, a left soil holder and a seedling guider which is used for transferring the rape pot seedlings are arranged in the left machine frame; a right planter, a furrow opener which is used for opening a planting groove in a soil surface, a right soil holder and a seedling guider whichis used for transferring the rape pot seedlings are arranged in the right machine frame; the left planter and the right planter are arranged at a mounting angle of 180 degrees and are arranged in a manner of being staggered at half plant spacing; the left soil holder and the right soil holder are arranged at a mounting angle of 180 degrees; the asynchronous parallel double-row rape pot seedling transplanting machine is used for realizing asynchronous double-row parallel high-speed transplanting, and meets existing planting behaviour and agronomic requirement; and uniform row spacing and plantspacing facilitate lighting and ventilating, and are beneficial to improving the yield and the quality of crops.

The invention relates to the technical field of thermocompressors and discloses a linear thermocompressor. The linear thermocompressor comprises a shell, wherein a piston assembly is arranged in the shell; the piston assembly comprises a piston, a first connecting rod, a second connecting rod, a first leaf spring and a second leaf spring; the first connecting rod is connected to one side of the piston, and the second connecting rod is connected to the other side of the piston; the first leaf spring and the first connecting rod are arranged on the same side; and the second leaf spring and the second connecting rod are arranged on the same side. The linear thermocompressor provided by the invention can guarantee that the piston does not deviate from the central axial line of an air gap (air cylinder) by utilizing the large radial force of the leaf springs to avoid the condition of instable motion of the piston; meanwhile, the linear thermocompressor provided by the invention can counteract the inertia force during motion of the piston by utilizing the axial deformation of the leaf springs to avoid the danger of cylinder collision, limits the piston stroke by the leaf springs and accurately controls the swept volume of the thermocompressor.

The invention discloses a turbocharger centrifugal pump with damping and noise lowering functions. A fixing device, a bottom box and a pump body are included. A shell is arranged on the top of the bottom box, and a heat dissipation port is formed in the side wall of one side of the shell. A port plate is arranged at one end of the shell and fixedly arranged on the top face of the bottom box and isperpendicular to the top face of the bottom box. A protection box is arranged on one side in the bottom box, and a first motor is arranged in the protection box. When the pump body moves to one end of the bottom box, a third spring between a rectangular plate and one end of a baffle is compressed, meanwhile, a first spring between the other end of the baffle and an installing plate is compressedas well, the first spring and the third spring apply elastic force to the installing plate, and the part, on the top of the installing plate, of the pump body is prevented from colliding with the inner wall of the bottom box. When the pump body works, vibration in the front-back direction can be generated, a rubber pad on an anti-collision rod collides with the inner wall of the bottom box, and noise generation is avoided.

The invention discloses a laser marking device for rubber tire production, which belongs to the technical field of tire production equipment, and comprises a bottom plate. The bottom plate is connected with a rotating shaft 1 through the rotation of a bearing seat 1, and a rotating disk is fixedly connected to the top of the rotating shaft 1. ; The intermittent braking mechanism is fixed on the bottom plate, and the intermittent braking mechanism is used to make the rotating disc rotate intermittently, and provide a braking effect after the rotating disc rotates, so as to prevent the rotating disc from being damaged due to inertia. Continue to rotate; the double-sided marking clamping mechanism has four double-sided marking clamping mechanisms, and the four double-sided marking clamping mechanisms are fixed on the outer wall of the rotating disk in equal parts. The clamping mechanism is used to complete the grabbing action of the tire and carry out the laser marking work on both sides of the tire; avoid the problem that the tire cannot be transported during the marking process, improve the marking efficiency of the tire, and at the same time carry out the marking on both sides of the tire Marking work, better marking effect.

The invention discloses a cutter constant-speed device and belongs to the technical field of grating ruling machinery. The cutter constant-speed device aims at solving the problem that processing accuracy is difficult to ensure in the existing grating ruling process and lots of transmission errors can be caused due to a complex transmission mechanism and can achieve grating ruling with different widths. The cutter constant-speed device comprises two cutter constant-speed mechanisms which are separately arranged on two opposite surfaces of a substrate, the cutter constant-speed mechanisms can move in a reciprocating mode under the driving of constant-speed cams, one end of a swinging rod is connected with a first push rod, the other end of the swinging rod is connected with a second push rod, the swinging rod can swing in a reciprocating mode under the driving of the first push rod, the relative position of an adjusting knob on the swinging rod can be changed, and the moving distance specific value of the first push rod and the second push rod can be changed by changing the position of the adjusting knob on the swinging rod. The cutter constant-speed device ensures constant-speed motion of a scribing cutter bridge, can conveniently adjust moving distance of a scribing cutter by adjusting the position of the knob on the swinging rod and does not need to change the structure of the cutter constant-speed mechanisms and replace elements.

The invention discloses a heat conduction film rewinding device, an unwinding device and a rewinding device. The unwinding device includes an unwinding shaft, a first support frame and a base. Bearing plates are provided at both ends of the unwinding shaft. The bearing plate is fixed on the top of the first support frame by screws, the bottom end of the first support frame is welded with a base, and the winding device includes a first rolling shaft, a winding shaft and a second support frame. Components, the built-in second rolling shaft is attached to the rolled-up heat-conducting film, and at the same time it is limited, so that each layer of the rolled-up film can be tightly attached together to prevent it from loosening and unfolding. The design is simple, Convenient and practical, the present invention sets the first gear and the second gear. After the motor stops working, the unwinding shaft will continue to rotate due to inertia. At this time, the first gear drives the second gear to rotate without external power. The resistance of the friction and resistance rotating shaft offsets the inertial force brought, thereby avoiding the continuous rotation of the unwinding shaft.